Home / 5,273-7,276.76-2,915.16

Finding the Fourth Proportional to 5,273, 7,276.76 and 2,915.16

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Solution

The fourth proportional to 5,273, 7,276.76 and 2,915.16 is: 4,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273 : 7,276.76 = 2,915.16 : x
  2. Step 2: Convert to fraction form
    5,273/7,276.76 = 2,915.16/x
  3. Step 3: Cross multiply
    5,273x = 7,276.76 × 2,915.16
  4. Step 4: Simplify right side
    5,273x = 21,212,919.68
  5. Step 5: Solve for x
    x = 21,212,919.68/5,273
  6. Step 6: Final answer
    x = 4,022.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.